import Vue from 'vue'
import router from './router'
import store from './store'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {ACCESS_TOKEN, INDEX_MAIN_PAGE_PATH, OAUTH2_LOGIN_PAGE_PATH} from '@/store/mutation-types'
import {generateIndexRouter, isOAuth2AppEnv} from '@/utils/util'

NProgress.configure({showSpinner: false}) // NProgress Configuration

const whiteList = ['/user/login', '/user/register', '/user/register-result', '/user/alteration'] // no redirect whitelist
whiteList.push(OAUTH2_LOGIN_PAGE_PATH)

router.beforeEach((to, from, next) => {
    NProgress.start() // start progress bar

    if (Vue.ls.get(ACCESS_TOKEN)) {
        /* has token */
        if (to.path === '/user/login' || to.path === OAUTH2_LOGIN_PAGE_PATH) {
            next({path: INDEX_MAIN_PAGE_PATH})
            NProgress.done()
        } else {
            if (store.getters.permissionList.length === 0) {
                store.dispatch('GetPermissionList').then(res => {
                    const menuData = res.result.menu;
                    //console.log(res.message)
                    if (menuData === null || menuData === "" || menuData === undefined) {
                        return;
                    }
                    let constRoutes = [];
                    constRoutes = generateIndexRouter(menuData);
                    // 添加主界面路由
                    store.dispatch('UpdateAppRouter', {constRoutes}).then(() => {
                        // 根据roles权限生成可访问的路由表
                        // 动态添加可访问路由表
                        router.addRoutes(store.getters.addRouters)
                        const redirect = decodeURIComponent(from.query.redirect || to.path)
                        if (to.path === redirect) {
                            // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
                            next({...to, replace: true})
                        } else {
                            // 跳转到目的路由
                            next({path: redirect})
                        }
                    })
                })
                    .catch(() => {
                        /* notification.error({
                           message: '系统提示',
                           description: '请求用户信息失败，请重试！'
                         })*/
                        store.dispatch('Logout').then(() => {
                            next({path: '/user/login', query: {redirect: to.fullPath}})
                        })
                    })
            } else {
                next()
            }
        }
    } else {
        if (whiteList.indexOf(to.path) !== -1) {
            // 在免登录白名单，如果进入的页面是login页面并且当前是OAuth2app环境，就进入OAuth2登录页面
            if (to.path === '/user/login' && isOAuth2AppEnv()) {
                next({path: OAUTH2_LOGIN_PAGE_PATH})
            } else {
                // 在免登录白名单，直接进入
                next()
            }
            NProgress.done()
        } else {
            // 如果当前是在OAuth2APP环境，就跳转到OAuth2登录页面
            let path = isOAuth2AppEnv() ? OAUTH2_LOGIN_PAGE_PATH : '/user/login'
            next({path: path, query: {redirect: to.fullPath}})
            NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
        }
    }
})

router.afterEach(() => {
    NProgress.done() // finish progress bar
})
